Inner Ring IRT1730 Tapered Needle Roller Bearing, Metric 17 mm ID x 20 mm OD x 30.5 mm Width, Shell-Type Inner Race for TA2030Z TLA2030Z Assembly, High Carbon Steel, Single Piece

Inner ring IRT1730 for tapered needle roller bearings
✔️ Single inner ring, 17 mm ID x 20 mm OD x 30.5 mm W

This single metric inner ring (inner race) is made for shell-type tapered needle roller bearings and is typically used in gearboxes, transmissions, and linear slide unit applications where precise roller guidance is required.

✅ Model IRT1730, metric IRT series
✅ Tapered bore inner ring for shell-type needle roller bearings
✅ 17 mm ID, 20 mm OD, 30.5 mm width (metric)
✅ High carbon steel inner race for strong wear resistance
✅ Fits TA2030Z and TLA2030Z shell assemblies
✅ Single piece pack for replacement or service kits

💡 What is an inner ring used for in tapered needle roller bearings? This handy component keeps rollers aligned and carries radial loads for smooth, reliable operation. - Improves roller guidance and load distribution inside needle roller bearing assemblies and helps linear slide unit performance. - Makes assembly and replacement easier when matching inner rings to shell-type housings instead of sealed ball bearing alternatives. - Material choice matters: high carbon steel offers durability; ceramic options exist for lower friction or high-speed needs.